Combined lock and latch.



G. M. DRURY.

COMBINED LOOK AND LATCH.

nrmouxon FILED FBB.26,1909.

Patented Apr. 19, 1910.

CLARENCE M. DRURY, 0F BLOOMSDALE, MISSOURI.

COMBINED LOCK AND LATCH.

Specification of Letters Patent.

Patented Apr. 19, 1910.

Application filed February 26, 1909. Serial No. 480,129.

To all whom it may concern:

Be it known that I, CLARENCE M. DRURY, a citizen of the United States ofAmerica, residing at Bloomsdale, in the county of Ste. Genevieve andState of Missouri, have invented new and useful Improvements in CombinedLocks and Latches, of which the following is a specification.

This invention relates to combined locks and latches, and one of theprincipal objects of the same is toprovide a simple and efiieient lockand latch designed more particularly for use on buildings, such as corncribs, graineries, stables, smoke houses, chicken houses and otherstructures and which can be operated as a safe and reliable latch andwhich can also be locked when desired to render the latch inoperative.

Another object of the invention is to provide a lock and latch in whichthe operative parts are inclosed and which cannot be operated byanimals.

It is a well known fact that the gravity latches or hasps in use on farmout-buildings can be operated by animals to gain access to the foodsstored in said out-houses.

It is the principal object of my invention to provide a combined lockand latch which cannot be operated by accident or by an animal in anyway.

These and other objects may be attained by means of the constructionillustrated in the accompanying drawing, in which,-

Figure 1 is a front elevation of a combined lock and latch made inaccordance with my invention and shown in position for use upon a door.Fig. 2 is an enlarged perspective view of the lock and latch. Fig. 3 isa vertical sectional view taken on the line 33 of Fig. 2. Fig. 4 is aperspective view of the gravity bar. Fig. 5 is a perspective view of thelock detached from its supporting block. Fi 6 is a side view of a keyfor operating the lock.

Referring to the drawing, the numeral 1 designates a supporting blockhaving upon one side thereof a recess in which is fitted an ordinarylock 2 provided with a bolt 3 which may be moved to project from oneside or the other of the lock 2 by means of a suitable key 4:. In thesupporting block 1 is a vertical recess 5, and mounted to move freely inthe recess 5 is a gravity bar 6, said bar having a slot 7 thereinadapted to receive the bolt 3 of the lock 2, when said gravity bar is inits lower or looking position. At one side of the gravity bar 6 is arecess 8. A latch bar 9 is mounted in a recess 10 in the supportingblock 1, said latch bar having a recess 11 therein of a width slightlygreater than the gravity bar 6. The latch bar 9 is provided with a slot12, and when the lock and latch is secured in place upon the door 13 ofa building by means of screws or bolts 14 the latch bar 9 is limited inits movements by means of a headed stud or nail 15 driven through theslot 12 into the door as shown more particularlyin Fig. 1. A suitablekeeper 16 is connected to the building or to a double door 13.

The operation of my lock and latch may be briefly described as follows:By inserting the key 1 in the keyhole a which is in alinement with thekeyhole I) in the lock 2, the bolt 3 may be moved to the right or leftto either lock the gravity bar 6 in the position shown in I ig. 2 tohold the latch bar 9 against operation or the bolt 3 may be moved to theother side of the lock 2 to release the gravity bar 6, in which case byplacing the finger underneath the block 1, the gravity bar 6 may belifted to release the latch bar 9 and to permit it to be slid to oneside or the other to either engage the keeper 16 or to disengage thesame and to permit the door to be opened. If the combined latch and lockis to be used as a latch only the gravity bar 6 is released by the bolt3 and then serves only as a gravity drop or bar to drop into the recess11 in the latch bar 9 and to be lifted by the finger to release the bar9. However, should it be desired at any time to lock the latch bar 9 thekey is used for shifting the bolt 3 to lock the gravity bar 6 in itslowermost position.

From the foregoing it will be obvious that a combined latch and lockmade in accordance with my invention is simple in construction, may beused as a lock or as a latch, and that when used as a latch cannot beoperated by accident or by a person without knowledge of theconstruction of the same.

I claim The herein described combined lock and latch consisting of ablock or support, a lock secured within said block, said lock having abolt adapted to be projected from opposite sides thereof, said blockbeing pro vided with a recess therein, a gravity bar provided with aslot and mounted in said In testimony whereof I aflix any signaturerecess, said bar adapted to be engaged by in presence of two Witnesses.

the lock bolt, and a latch bar provided with n a recess to be engaged bysaid gravity bar, CLARENCE DRURY' said latch bar having a slot thereinto be Witnesses:

engaged by a fastener driven into the door JASPER B. RIGKARD,

to permit said bolt to slide. NORVEL W. JARVIS.

